• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 // Copyright 2007, Google Inc.
2 // All rights reserved.
3 //
4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions are
6 // met:
7 //
8 //     * Redistributions of source code must retain the above copyright
9 // notice, this list of conditions and the following disclaimer.
10 //     * Redistributions in binary form must reproduce the above
11 // copyright notice, this list of conditions and the following disclaimer
12 // in the documentation and/or other materials provided with the
13 // distribution.
14 //     * Neither the name of Google Inc. nor the names of its
15 // contributors may be used to endorse or promote products derived from
16 // this software without specific prior written permission.
17 //
18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 //
30 // Author: wan@google.com (Zhanyong Wan)
31 
32 // Google Mock - a framework for writing C++ mock classes.
33 //
34 // This file tests the built-in actions in gmock-more-actions.h.
35 
36 #include "gmock/gmock-more-actions.h"
37 
38 #include <functional>
39 #include <sstream>
40 #include <string>
41 #include "gmock/gmock.h"
42 #include "gtest/gtest.h"
43 #include "gtest/internal/gtest-linked_ptr.h"
44 
45 namespace testing {
46 namespace gmock_more_actions_test {
47 
48 using ::std::plus;
49 using ::std::string;
50 using ::std::tr1::get;
51 using ::std::tr1::make_tuple;
52 using ::std::tr1::tuple;
53 using ::std::tr1::tuple_element;
54 using testing::_;
55 using testing::Action;
56 using testing::ActionInterface;
57 using testing::DeleteArg;
58 using testing::Invoke;
59 using testing::Return;
60 using testing::ReturnArg;
61 using testing::ReturnPointee;
62 using testing::SaveArg;
63 using testing::SaveArgPointee;
64 using testing::SetArgReferee;
65 using testing::StaticAssertTypeEq;
66 using testing::Unused;
67 using testing::WithArg;
68 using testing::WithoutArgs;
69 using testing::internal::linked_ptr;
70 
71 // For suppressing compiler warnings on conversion possibly losing precision.
Short(short n)72 inline short Short(short n) { return n; }  // NOLINT
Char(char ch)73 inline char Char(char ch) { return ch; }
74 
75 // Sample functions and functors for testing Invoke() and etc.
Nullary()76 int Nullary() { return 1; }
77 
78 class NullaryFunctor {
79  public:
operator ()()80   int operator()() { return 2; }
81 };
82 
83 bool g_done = false;
VoidNullary()84 void VoidNullary() { g_done = true; }
85 
86 class VoidNullaryFunctor {
87  public:
operator ()()88   void operator()() { g_done = true; }
89 };
90 
Unary(int x)91 bool Unary(int x) { return x < 0; }
92 
Plus1(const char * s)93 const char* Plus1(const char* s) { return s + 1; }
94 
VoidUnary(int)95 void VoidUnary(int /* n */) { g_done = true; }
96 
ByConstRef(const string & s)97 bool ByConstRef(const string& s) { return s == "Hi"; }
98 
99 const double g_double = 0;
ReferencesGlobalDouble(const double & x)100 bool ReferencesGlobalDouble(const double& x) { return &x == &g_double; }
101 
ByNonConstRef(string & s)102 string ByNonConstRef(string& s) { return s += "+"; }  // NOLINT
103 
104 struct UnaryFunctor {
operator ()testing::gmock_more_actions_test::UnaryFunctor105   int operator()(bool x) { return x ? 1 : -1; }
106 };
107 
Binary(const char * input,short n)108 const char* Binary(const char* input, short n) { return input + n; }  // NOLINT
109 
VoidBinary(int,char)110 void VoidBinary(int, char) { g_done = true; }
111 
Ternary(int x,char y,short z)112 int Ternary(int x, char y, short z) { return x + y + z; }  // NOLINT
113 
VoidTernary(int,char,bool)114 void VoidTernary(int, char, bool) { g_done = true; }
115 
SumOf4(int a,int b,int c,int d)116 int SumOf4(int a, int b, int c, int d) { return a + b + c + d; }
117 
SumOfFirst2(int a,int b,Unused,Unused)118 int SumOfFirst2(int a, int b, Unused, Unused) { return a + b; }
119 
VoidFunctionWithFourArguments(char,int,float,double)120 void VoidFunctionWithFourArguments(char, int, float, double) { g_done = true; }
121 
Concat4(const char * s1,const char * s2,const char * s3,const char * s4)122 string Concat4(const char* s1, const char* s2, const char* s3,
123                const char* s4) {
124   return string(s1) + s2 + s3 + s4;
125 }
126 
SumOf5(int a,int b,int c,int d,int e)127 int SumOf5(int a, int b, int c, int d, int e) { return a + b + c + d + e; }
128 
129 struct SumOf5Functor {
operator ()testing::gmock_more_actions_test::SumOf5Functor130   int operator()(int a, int b, int c, int d, int e) {
131     return a + b + c + d + e;
132   }
133 };
134 
Concat5(const char * s1,const char * s2,const char * s3,const char * s4,const char * s5)135 string Concat5(const char* s1, const char* s2, const char* s3,
136                const char* s4, const char* s5) {
137   return string(s1) + s2 + s3 + s4 + s5;
138 }
139 
SumOf6(int a,int b,int c,int d,int e,int f)140 int SumOf6(int a, int b, int c, int d, int e, int f) {
141   return a + b + c + d + e + f;
142 }
143 
144 struct SumOf6Functor {
operator ()testing::gmock_more_actions_test::SumOf6Functor145   int operator()(int a, int b, int c, int d, int e, int f) {
146     return a + b + c + d + e + f;
147   }
148 };
149 
Concat6(const char * s1,const char * s2,const char * s3,const char * s4,const char * s5,const char * s6)150 string Concat6(const char* s1, const char* s2, const char* s3,
151                const char* s4, const char* s5, const char* s6) {
152   return string(s1) + s2 + s3 + s4 + s5 + s6;
153 }
154 
Concat7(const char * s1,const char * s2,const char * s3,const char * s4,const char * s5,const char * s6,const char * s7)155 string Concat7(const char* s1, const char* s2, const char* s3,
156                const char* s4, const char* s5, const char* s6,
157                const char* s7) {
158   return string(s1) + s2 + s3 + s4 + s5 + s6 + s7;
159 }
160 
Concat8(const char * s1,const char * s2,const char * s3,const char * s4,const char * s5,const char * s6,const char * s7,const char * s8)161 string Concat8(const char* s1, const char* s2, const char* s3,
162                const char* s4, const char* s5, const char* s6,
163                const char* s7, const char* s8) {
164   return string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8;
165 }
166 
Concat9(const char * s1,const char * s2,const char * s3,const char * s4,const char * s5,const char * s6,const char * s7,const char * s8,const char * s9)167 string Concat9(const char* s1, const char* s2, const char* s3,
168                const char* s4, const char* s5, const char* s6,
169                const char* s7, const char* s8, const char* s9) {
170   return string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9;
171 }
172 
Concat10(const char * s1,const char * s2,const char * s3,const char * s4,const char * s5,const char * s6,const char * s7,const char * s8,const char * s9,const char * s10)173 string Concat10(const char* s1, const char* s2, const char* s3,
174                 const char* s4, const char* s5, const char* s6,
175                 const char* s7, const char* s8, const char* s9,
176                 const char* s10) {
177   return string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9 + s10;
178 }
179 
180 class Foo {
181  public:
Foo()182   Foo() : value_(123) {}
183 
Nullary() const184   int Nullary() const { return value_; }
185 
Unary(long x)186   short Unary(long x) { return static_cast<short>(value_ + x); }  // NOLINT
187 
Binary(const string & str,char c) const188   string Binary(const string& str, char c) const { return str + c; }
189 
Ternary(int x,bool y,char z)190   int Ternary(int x, bool y, char z) { return value_ + x + y*z; }
191 
SumOf4(int a,int b,int c,int d) const192   int SumOf4(int a, int b, int c, int d) const {
193     return a + b + c + d + value_;
194   }
195 
SumOfLast2(Unused,Unused,int a,int b) const196   int SumOfLast2(Unused, Unused, int a, int b) const { return a + b; }
197 
SumOf5(int a,int b,int c,int d,int e)198   int SumOf5(int a, int b, int c, int d, int e) { return a + b + c + d + e; }
199 
SumOf6(int a,int b,int c,int d,int e,int f)200   int SumOf6(int a, int b, int c, int d, int e, int f) {
201     return a + b + c + d + e + f;
202   }
203 
Concat7(const char * s1,const char * s2,const char * s3,const char * s4,const char * s5,const char * s6,const char * s7)204   string Concat7(const char* s1, const char* s2, const char* s3,
205                  const char* s4, const char* s5, const char* s6,
206                  const char* s7) {
207     return string(s1) + s2 + s3 + s4 + s5 + s6 + s7;
208   }
209 
Concat8(const char * s1,const char * s2,const char * s3,const char * s4,const char * s5,const char * s6,const char * s7,const char * s8)210   string Concat8(const char* s1, const char* s2, const char* s3,
211                  const char* s4, const char* s5, const char* s6,
212                  const char* s7, const char* s8) {
213     return string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8;
214   }
215 
Concat9(const char * s1,const char * s2,const char * s3,const char * s4,const char * s5,const char * s6,const char * s7,const char * s8,const char * s9)216   string Concat9(const char* s1, const char* s2, const char* s3,
217                  const char* s4, const char* s5, const char* s6,
218                  const char* s7, const char* s8, const char* s9) {
219     return string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9;
220   }
221 
Concat10(const char * s1,const char * s2,const char * s3,const char * s4,const char * s5,const char * s6,const char * s7,const char * s8,const char * s9,const char * s10)222   string Concat10(const char* s1, const char* s2, const char* s3,
223                   const char* s4, const char* s5, const char* s6,
224                   const char* s7, const char* s8, const char* s9,
225                   const char* s10) {
226     return string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9 + s10;
227   }
228  private:
229   int value_;
230 };
231 
232 // Tests using Invoke() with a nullary function.
TEST(InvokeTest,Nullary)233 TEST(InvokeTest, Nullary) {
234   Action<int()> a = Invoke(Nullary);  // NOLINT
235   EXPECT_EQ(1, a.Perform(make_tuple()));
236 }
237 
238 // Tests using Invoke() with a unary function.
TEST(InvokeTest,Unary)239 TEST(InvokeTest, Unary) {
240   Action<bool(int)> a = Invoke(Unary);  // NOLINT
241   EXPECT_FALSE(a.Perform(make_tuple(1)));
242   EXPECT_TRUE(a.Perform(make_tuple(-1)));
243 }
244 
245 // Tests using Invoke() with a binary function.
TEST(InvokeTest,Binary)246 TEST(InvokeTest, Binary) {
247   Action<const char*(const char*, short)> a = Invoke(Binary);  // NOLINT
248   const char* p = "Hello";
249   EXPECT_EQ(p + 2, a.Perform(make_tuple(p, Short(2))));
250 }
251 
252 // Tests using Invoke() with a ternary function.
TEST(InvokeTest,Ternary)253 TEST(InvokeTest, Ternary) {
254   Action<int(int, char, short)> a = Invoke(Ternary);  // NOLINT
255   EXPECT_EQ(6, a.Perform(make_tuple(1, '\2', Short(3))));
256 }
257 
258 // Tests using Invoke() with a 4-argument function.
TEST(InvokeTest,FunctionThatTakes4Arguments)259 TEST(InvokeTest, FunctionThatTakes4Arguments) {
260   Action<int(int, int, int, int)> a = Invoke(SumOf4);  // NOLINT
261   EXPECT_EQ(1234, a.Perform(make_tuple(1000, 200, 30, 4)));
262 }
263 
264 // Tests using Invoke() with a 5-argument function.
TEST(InvokeTest,FunctionThatTakes5Arguments)265 TEST(InvokeTest, FunctionThatTakes5Arguments) {
266   Action<int(int, int, int, int, int)> a = Invoke(SumOf5);  // NOLINT
267   EXPECT_EQ(12345, a.Perform(make_tuple(10000, 2000, 300, 40, 5)));
268 }
269 
270 // Tests using Invoke() with a 6-argument function.
TEST(InvokeTest,FunctionThatTakes6Arguments)271 TEST(InvokeTest, FunctionThatTakes6Arguments) {
272   Action<int(int, int, int, int, int, int)> a = Invoke(SumOf6);  // NOLINT
273   EXPECT_EQ(123456, a.Perform(make_tuple(100000, 20000, 3000, 400, 50, 6)));
274 }
275 
276 // A helper that turns the type of a C-string literal from const
277 // char[N] to const char*.
CharPtr(const char * s)278 inline const char* CharPtr(const char* s) { return s; }
279 
280 // Tests using Invoke() with a 7-argument function.
TEST(InvokeTest,FunctionThatTakes7Arguments)281 TEST(InvokeTest, FunctionThatTakes7Arguments) {
282   Action<string(const char*, const char*, const char*, const char*,
283                 const char*, const char*, const char*)> a =
284       Invoke(Concat7);
285   EXPECT_EQ("1234567",
286             a.Perform(make_tuple(CharPtr("1"), CharPtr("2"), CharPtr("3"),
287                                  CharPtr("4"), CharPtr("5"), CharPtr("6"),
288                                  CharPtr("7"))));
289 }
290 
291 // Tests using Invoke() with a 8-argument function.
TEST(InvokeTest,FunctionThatTakes8Arguments)292 TEST(InvokeTest, FunctionThatTakes8Arguments) {
293   Action<string(const char*, const char*, const char*, const char*,
294                 const char*, const char*, const char*, const char*)> a =
295       Invoke(Concat8);
296   EXPECT_EQ("12345678",
297             a.Perform(make_tuple(CharPtr("1"), CharPtr("2"), CharPtr("3"),
298                                  CharPtr("4"), CharPtr("5"), CharPtr("6"),
299                                  CharPtr("7"), CharPtr("8"))));
300 }
301 
302 // Tests using Invoke() with a 9-argument function.
TEST(InvokeTest,FunctionThatTakes9Arguments)303 TEST(InvokeTest, FunctionThatTakes9Arguments) {
304   Action<string(const char*, const char*, const char*, const char*,
305                 const char*, const char*, const char*, const char*,
306                 const char*)> a = Invoke(Concat9);
307   EXPECT_EQ("123456789",
308             a.Perform(make_tuple(CharPtr("1"), CharPtr("2"), CharPtr("3"),
309                                  CharPtr("4"), CharPtr("5"), CharPtr("6"),
310                                  CharPtr("7"), CharPtr("8"), CharPtr("9"))));
311 }
312 
313 // Tests using Invoke() with a 10-argument function.
TEST(InvokeTest,FunctionThatTakes10Arguments)314 TEST(InvokeTest, FunctionThatTakes10Arguments) {
315   Action<string(const char*, const char*, const char*, const char*,
316                 const char*, const char*, const char*, const char*,
317                 const char*, const char*)> a = Invoke(Concat10);
318   EXPECT_EQ("1234567890",
319             a.Perform(make_tuple(CharPtr("1"), CharPtr("2"), CharPtr("3"),
320                                  CharPtr("4"), CharPtr("5"), CharPtr("6"),
321                                  CharPtr("7"), CharPtr("8"), CharPtr("9"),
322                                  CharPtr("0"))));
323 }
324 
325 // Tests using Invoke() with functions with parameters declared as Unused.
TEST(InvokeTest,FunctionWithUnusedParameters)326 TEST(InvokeTest, FunctionWithUnusedParameters) {
327   Action<int(int, int, double, const string&)> a1 =
328       Invoke(SumOfFirst2);
329   EXPECT_EQ(12, a1.Perform(make_tuple(10, 2, 5.6, CharPtr("hi"))));
330 
331   Action<int(int, int, bool, int*)> a2 =
332       Invoke(SumOfFirst2);
333   EXPECT_EQ(23, a2.Perform(make_tuple(20, 3, true, static_cast<int*>(NULL))));
334 }
335 
336 // Tests using Invoke() with methods with parameters declared as Unused.
TEST(InvokeTest,MethodWithUnusedParameters)337 TEST(InvokeTest, MethodWithUnusedParameters) {
338   Foo foo;
339   Action<int(string, bool, int, int)> a1 =
340       Invoke(&foo, &Foo::SumOfLast2);
341   EXPECT_EQ(12, a1.Perform(make_tuple(CharPtr("hi"), true, 10, 2)));
342 
343   Action<int(char, double, int, int)> a2 =
344       Invoke(&foo, &Foo::SumOfLast2);
345   EXPECT_EQ(23, a2.Perform(make_tuple('a', 2.5, 20, 3)));
346 }
347 
348 // Tests using Invoke() with a functor.
TEST(InvokeTest,Functor)349 TEST(InvokeTest, Functor) {
350   Action<long(long, int)> a = Invoke(plus<long>());  // NOLINT
351   EXPECT_EQ(3L, a.Perform(make_tuple(1, 2)));
352 }
353 
354 // Tests using Invoke(f) as an action of a compatible type.
TEST(InvokeTest,FunctionWithCompatibleType)355 TEST(InvokeTest, FunctionWithCompatibleType) {
356   Action<long(int, short, char, bool)> a = Invoke(SumOf4);  // NOLINT
357   EXPECT_EQ(4321, a.Perform(make_tuple(4000, Short(300), Char(20), true)));
358 }
359 
360 // Tests using Invoke() with an object pointer and a method pointer.
361 
362 // Tests using Invoke() with a nullary method.
TEST(InvokeMethodTest,Nullary)363 TEST(InvokeMethodTest, Nullary) {
364   Foo foo;
365   Action<int()> a = Invoke(&foo, &Foo::Nullary);  // NOLINT
366   EXPECT_EQ(123, a.Perform(make_tuple()));
367 }
368 
369 // Tests using Invoke() with a unary method.
TEST(InvokeMethodTest,Unary)370 TEST(InvokeMethodTest, Unary) {
371   Foo foo;
372   Action<short(long)> a = Invoke(&foo, &Foo::Unary);  // NOLINT
373   EXPECT_EQ(4123, a.Perform(make_tuple(4000)));
374 }
375 
376 // Tests using Invoke() with a binary method.
TEST(InvokeMethodTest,Binary)377 TEST(InvokeMethodTest, Binary) {
378   Foo foo;
379   Action<string(const string&, char)> a = Invoke(&foo, &Foo::Binary);
380   string s("Hell");
381   EXPECT_EQ("Hello", a.Perform(make_tuple(s, 'o')));
382 }
383 
384 // Tests using Invoke() with a ternary method.
TEST(InvokeMethodTest,Ternary)385 TEST(InvokeMethodTest, Ternary) {
386   Foo foo;
387   Action<int(int, bool, char)> a = Invoke(&foo, &Foo::Ternary);  // NOLINT
388   EXPECT_EQ(1124, a.Perform(make_tuple(1000, true, Char(1))));
389 }
390 
391 // Tests using Invoke() with a 4-argument method.
TEST(InvokeMethodTest,MethodThatTakes4Arguments)392 TEST(InvokeMethodTest, MethodThatTakes4Arguments) {
393   Foo foo;
394   Action<int(int, int, int, int)> a = Invoke(&foo, &Foo::SumOf4);  // NOLINT
395   EXPECT_EQ(1357, a.Perform(make_tuple(1000, 200, 30, 4)));
396 }
397 
398 // Tests using Invoke() with a 5-argument method.
TEST(InvokeMethodTest,MethodThatTakes5Arguments)399 TEST(InvokeMethodTest, MethodThatTakes5Arguments) {
400   Foo foo;
401   Action<int(int, int, int, int, int)> a = Invoke(&foo, &Foo::SumOf5);  // NOLINT
402   EXPECT_EQ(12345, a.Perform(make_tuple(10000, 2000, 300, 40, 5)));
403 }
404 
405 // Tests using Invoke() with a 6-argument method.
TEST(InvokeMethodTest,MethodThatTakes6Arguments)406 TEST(InvokeMethodTest, MethodThatTakes6Arguments) {
407   Foo foo;
408   Action<int(int, int, int, int, int, int)> a =  // NOLINT
409       Invoke(&foo, &Foo::SumOf6);
410   EXPECT_EQ(123456, a.Perform(make_tuple(100000, 20000, 3000, 400, 50, 6)));
411 }
412 
413 // Tests using Invoke() with a 7-argument method.
TEST(InvokeMethodTest,MethodThatTakes7Arguments)414 TEST(InvokeMethodTest, MethodThatTakes7Arguments) {
415   Foo foo;
416   Action<string(const char*, const char*, const char*, const char*,
417                 const char*, const char*, const char*)> a =
418       Invoke(&foo, &Foo::Concat7);
419   EXPECT_EQ("1234567",
420             a.Perform(make_tuple(CharPtr("1"), CharPtr("2"), CharPtr("3"),
421                                  CharPtr("4"), CharPtr("5"), CharPtr("6"),
422                                  CharPtr("7"))));
423 }
424 
425 // Tests using Invoke() with a 8-argument method.
TEST(InvokeMethodTest,MethodThatTakes8Arguments)426 TEST(InvokeMethodTest, MethodThatTakes8Arguments) {
427   Foo foo;
428   Action<string(const char*, const char*, const char*, const char*,
429                 const char*, const char*, const char*, const char*)> a =
430       Invoke(&foo, &Foo::Concat8);
431   EXPECT_EQ("12345678",
432             a.Perform(make_tuple(CharPtr("1"), CharPtr("2"), CharPtr("3"),
433                                  CharPtr("4"), CharPtr("5"), CharPtr("6"),
434                                  CharPtr("7"), CharPtr("8"))));
435 }
436 
437 // Tests using Invoke() with a 9-argument method.
TEST(InvokeMethodTest,MethodThatTakes9Arguments)438 TEST(InvokeMethodTest, MethodThatTakes9Arguments) {
439   Foo foo;
440   Action<string(const char*, const char*, const char*, const char*,
441                 const char*, const char*, const char*, const char*,
442                 const char*)> a = Invoke(&foo, &Foo::Concat9);
443   EXPECT_EQ("123456789",
444             a.Perform(make_tuple(CharPtr("1"), CharPtr("2"), CharPtr("3"),
445                                  CharPtr("4"), CharPtr("5"), CharPtr("6"),
446                                  CharPtr("7"), CharPtr("8"), CharPtr("9"))));
447 }
448 
449 // Tests using Invoke() with a 10-argument method.
TEST(InvokeMethodTest,MethodThatTakes10Arguments)450 TEST(InvokeMethodTest, MethodThatTakes10Arguments) {
451   Foo foo;
452   Action<string(const char*, const char*, const char*, const char*,
453                 const char*, const char*, const char*, const char*,
454                 const char*, const char*)> a = Invoke(&foo, &Foo::Concat10);
455   EXPECT_EQ("1234567890",
456             a.Perform(make_tuple(CharPtr("1"), CharPtr("2"), CharPtr("3"),
457                                  CharPtr("4"), CharPtr("5"), CharPtr("6"),
458                                  CharPtr("7"), CharPtr("8"), CharPtr("9"),
459                                  CharPtr("0"))));
460 }
461 
462 // Tests using Invoke(f) as an action of a compatible type.
TEST(InvokeMethodTest,MethodWithCompatibleType)463 TEST(InvokeMethodTest, MethodWithCompatibleType) {
464   Foo foo;
465   Action<long(int, short, char, bool)> a =  // NOLINT
466       Invoke(&foo, &Foo::SumOf4);
467   EXPECT_EQ(4444, a.Perform(make_tuple(4000, Short(300), Char(20), true)));
468 }
469 
470 // Tests using WithoutArgs with an action that takes no argument.
TEST(WithoutArgsTest,NoArg)471 TEST(WithoutArgsTest, NoArg) {
472   Action<int(int n)> a = WithoutArgs(Invoke(Nullary));  // NOLINT
473   EXPECT_EQ(1, a.Perform(make_tuple(2)));
474 }
475 
476 // Tests using WithArg with an action that takes 1 argument.
TEST(WithArgTest,OneArg)477 TEST(WithArgTest, OneArg) {
478   Action<bool(double x, int n)> b = WithArg<1>(Invoke(Unary));  // NOLINT
479   EXPECT_TRUE(b.Perform(make_tuple(1.5, -1)));
480   EXPECT_FALSE(b.Perform(make_tuple(1.5, 1)));
481 }
482 
TEST(ReturnArgActionTest,WorksForOneArgIntArg0)483 TEST(ReturnArgActionTest, WorksForOneArgIntArg0) {
484   const Action<int(int)> a = ReturnArg<0>();
485   EXPECT_EQ(5, a.Perform(make_tuple(5)));
486 }
487 
TEST(ReturnArgActionTest,WorksForMultiArgBoolArg0)488 TEST(ReturnArgActionTest, WorksForMultiArgBoolArg0) {
489   const Action<bool(bool, bool, bool)> a = ReturnArg<0>();
490   EXPECT_TRUE(a.Perform(make_tuple(true, false, false)));
491 }
492 
TEST(ReturnArgActionTest,WorksForMultiArgStringArg2)493 TEST(ReturnArgActionTest, WorksForMultiArgStringArg2) {
494   const Action<string(int, int, string, int)> a = ReturnArg<2>();
495   EXPECT_EQ("seven", a.Perform(make_tuple(5, 6, string("seven"), 8)));
496 }
497 
TEST(SaveArgActionTest,WorksForSameType)498 TEST(SaveArgActionTest, WorksForSameType) {
499   int result = 0;
500   const Action<void(int n)> a1 = SaveArg<0>(&result);
501   a1.Perform(make_tuple(5));
502   EXPECT_EQ(5, result);
503 }
504 
TEST(SaveArgActionTest,WorksForCompatibleType)505 TEST(SaveArgActionTest, WorksForCompatibleType) {
506   int result = 0;
507   const Action<void(bool, char)> a1 = SaveArg<1>(&result);
508   a1.Perform(make_tuple(true, 'a'));
509   EXPECT_EQ('a', result);
510 }
511 
TEST(SaveArgPointeeActionTest,WorksForSameType)512 TEST(SaveArgPointeeActionTest, WorksForSameType) {
513   int result = 0;
514   const int value = 5;
515   const Action<void(const int*)> a1 = SaveArgPointee<0>(&result);
516   a1.Perform(make_tuple(&value));
517   EXPECT_EQ(5, result);
518 }
519 
TEST(SaveArgPointeeActionTest,WorksForCompatibleType)520 TEST(SaveArgPointeeActionTest, WorksForCompatibleType) {
521   int result = 0;
522   char value = 'a';
523   const Action<void(bool, char*)> a1 = SaveArgPointee<1>(&result);
524   a1.Perform(make_tuple(true, &value));
525   EXPECT_EQ('a', result);
526 }
527 
TEST(SaveArgPointeeActionTest,WorksForLinkedPtr)528 TEST(SaveArgPointeeActionTest, WorksForLinkedPtr) {
529   int result = 0;
530   linked_ptr<int> value(new int(5));
531   const Action<void(linked_ptr<int>)> a1 = SaveArgPointee<0>(&result);
532   a1.Perform(make_tuple(value));
533   EXPECT_EQ(5, result);
534 }
535 
TEST(SetArgRefereeActionTest,WorksForSameType)536 TEST(SetArgRefereeActionTest, WorksForSameType) {
537   int value = 0;
538   const Action<void(int&)> a1 = SetArgReferee<0>(1);
539   a1.Perform(tuple<int&>(value));
540   EXPECT_EQ(1, value);
541 }
542 
TEST(SetArgRefereeActionTest,WorksForCompatibleType)543 TEST(SetArgRefereeActionTest, WorksForCompatibleType) {
544   int value = 0;
545   const Action<void(int, int&)> a1 = SetArgReferee<1>('a');
546   a1.Perform(tuple<int, int&>(0, value));
547   EXPECT_EQ('a', value);
548 }
549 
TEST(SetArgRefereeActionTest,WorksWithExtraArguments)550 TEST(SetArgRefereeActionTest, WorksWithExtraArguments) {
551   int value = 0;
552   const Action<void(bool, int, int&, const char*)> a1 = SetArgReferee<2>('a');
553   a1.Perform(tuple<bool, int, int&, const char*>(true, 0, value, "hi"));
554   EXPECT_EQ('a', value);
555 }
556 
557 // A class that can be used to verify that its destructor is called: it will set
558 // the bool provided to the constructor to true when destroyed.
559 class DeletionTester {
560  public:
DeletionTester(bool * is_deleted)561   explicit DeletionTester(bool* is_deleted)
562     : is_deleted_(is_deleted) {
563     // Make sure the bit is set to false.
564     *is_deleted_ = false;
565   }
566 
~DeletionTester()567   ~DeletionTester() {
568     *is_deleted_ = true;
569   }
570 
571  private:
572   bool* is_deleted_;
573 };
574 
TEST(DeleteArgActionTest,OneArg)575 TEST(DeleteArgActionTest, OneArg) {
576   bool is_deleted = false;
577   DeletionTester* t = new DeletionTester(&is_deleted);
578   const Action<void(DeletionTester*)> a1 = DeleteArg<0>();      // NOLINT
579   EXPECT_FALSE(is_deleted);
580   a1.Perform(make_tuple(t));
581   EXPECT_TRUE(is_deleted);
582 }
583 
TEST(DeleteArgActionTest,TenArgs)584 TEST(DeleteArgActionTest, TenArgs) {
585   bool is_deleted = false;
586   DeletionTester* t = new DeletionTester(&is_deleted);
587   const Action<void(bool, int, int, const char*, bool,
588                     int, int, int, int, DeletionTester*)> a1 = DeleteArg<9>();
589   EXPECT_FALSE(is_deleted);
590   a1.Perform(make_tuple(true, 5, 6, CharPtr("hi"), false, 7, 8, 9, 10, t));
591   EXPECT_TRUE(is_deleted);
592 }
593 
594 #if GTEST_HAS_EXCEPTIONS
595 
TEST(ThrowActionTest,ThrowsGivenExceptionInVoidFunction)596 TEST(ThrowActionTest, ThrowsGivenExceptionInVoidFunction) {
597   const Action<void(int n)> a = Throw('a');
598   EXPECT_THROW(a.Perform(make_tuple(0)), char);
599 }
600 
601 class MyException {};
602 
TEST(ThrowActionTest,ThrowsGivenExceptionInNonVoidFunction)603 TEST(ThrowActionTest, ThrowsGivenExceptionInNonVoidFunction) {
604   const Action<double(char ch)> a = Throw(MyException());
605   EXPECT_THROW(a.Perform(make_tuple('0')), MyException);
606 }
607 
TEST(ThrowActionTest,ThrowsGivenExceptionInNullaryFunction)608 TEST(ThrowActionTest, ThrowsGivenExceptionInNullaryFunction) {
609   const Action<double()> a = Throw(MyException());
610   EXPECT_THROW(a.Perform(make_tuple()), MyException);
611 }
612 
613 #endif  // GTEST_HAS_EXCEPTIONS
614 
615 // Tests that SetArrayArgument<N>(first, last) sets the elements of the array
616 // pointed to by the N-th (0-based) argument to values in range [first, last).
TEST(SetArrayArgumentTest,SetsTheNthArray)617 TEST(SetArrayArgumentTest, SetsTheNthArray) {
618   typedef void MyFunction(bool, int*, char*);
619   int numbers[] = { 1, 2, 3 };
620   Action<MyFunction> a = SetArrayArgument<1>(numbers, numbers + 3);
621 
622   int n[4] = {};
623   int* pn = n;
624   char ch[4] = {};
625   char* pch = ch;
626   a.Perform(make_tuple(true, pn, pch));
627   EXPECT_EQ(1, n[0]);
628   EXPECT_EQ(2, n[1]);
629   EXPECT_EQ(3, n[2]);
630   EXPECT_EQ(0, n[3]);
631   EXPECT_EQ('\0', ch[0]);
632   EXPECT_EQ('\0', ch[1]);
633   EXPECT_EQ('\0', ch[2]);
634   EXPECT_EQ('\0', ch[3]);
635 
636   // Tests first and last are iterators.
637   std::string letters = "abc";
638   a = SetArrayArgument<2>(letters.begin(), letters.end());
639   std::fill_n(n, 4, 0);
640   std::fill_n(ch, 4, '\0');
641   a.Perform(make_tuple(true, pn, pch));
642   EXPECT_EQ(0, n[0]);
643   EXPECT_EQ(0, n[1]);
644   EXPECT_EQ(0, n[2]);
645   EXPECT_EQ(0, n[3]);
646   EXPECT_EQ('a', ch[0]);
647   EXPECT_EQ('b', ch[1]);
648   EXPECT_EQ('c', ch[2]);
649   EXPECT_EQ('\0', ch[3]);
650 }
651 
652 // Tests SetArrayArgument<N>(first, last) where first == last.
TEST(SetArrayArgumentTest,SetsTheNthArrayWithEmptyRange)653 TEST(SetArrayArgumentTest, SetsTheNthArrayWithEmptyRange) {
654   typedef void MyFunction(bool, int*);
655   int numbers[] = { 1, 2, 3 };
656   Action<MyFunction> a = SetArrayArgument<1>(numbers, numbers);
657 
658   int n[4] = {};
659   int* pn = n;
660   a.Perform(make_tuple(true, pn));
661   EXPECT_EQ(0, n[0]);
662   EXPECT_EQ(0, n[1]);
663   EXPECT_EQ(0, n[2]);
664   EXPECT_EQ(0, n[3]);
665 }
666 
667 // Tests SetArrayArgument<N>(first, last) where *first is convertible
668 // (but not equal) to the argument type.
TEST(SetArrayArgumentTest,SetsTheNthArrayWithConvertibleType)669 TEST(SetArrayArgumentTest, SetsTheNthArrayWithConvertibleType) {
670   typedef void MyFunction(bool, char*);
671   int codes[] = { 97, 98, 99 };
672   Action<MyFunction> a = SetArrayArgument<1>(codes, codes + 3);
673 
674   char ch[4] = {};
675   char* pch = ch;
676   a.Perform(make_tuple(true, pch));
677   EXPECT_EQ('a', ch[0]);
678   EXPECT_EQ('b', ch[1]);
679   EXPECT_EQ('c', ch[2]);
680   EXPECT_EQ('\0', ch[3]);
681 }
682 
683 // Test SetArrayArgument<N>(first, last) with iterator as argument.
TEST(SetArrayArgumentTest,SetsTheNthArrayWithIteratorArgument)684 TEST(SetArrayArgumentTest, SetsTheNthArrayWithIteratorArgument) {
685   typedef void MyFunction(bool, std::back_insert_iterator<std::string>);
686   std::string letters = "abc";
687   Action<MyFunction> a = SetArrayArgument<1>(letters.begin(), letters.end());
688 
689   std::string s;
690   a.Perform(make_tuple(true, back_inserter(s)));
691   EXPECT_EQ(letters, s);
692 }
693 
TEST(ReturnPointeeTest,Works)694 TEST(ReturnPointeeTest, Works) {
695   int n = 42;
696   const Action<int()> a = ReturnPointee(&n);
697   EXPECT_EQ(42, a.Perform(make_tuple()));
698 
699   n = 43;
700   EXPECT_EQ(43, a.Perform(make_tuple()));
701 }
702 
703 }  // namespace gmock_generated_actions_test
704 }  // namespace testing
705